Flash Flood Warning 23, NWS Honolulu, HI

Issued

Feb 27, 2004, 4:20 PM HST (02:20 UTC)

Expired

Feb 27, 2004, 7:15 PM HST

In force

3 hr

Issued by

NWS Honolulu, HI

Area

Counties, with a storm outline in the text

County Kauai County, HI

Not verified. The Iowa Environmental Mesonet's Cow found no qualifying storm report inside this flash flood warning while it was in force. That is not proof nothing happened: reports are thin where few people live.

Cow counts a report within 15 km of the polygon while the warning was in force: a tornado for a tornado warning; hail of 1 inch or more, a gust of 58 mph or more or wind damage for a severe thunderstorm warning; a flash flood report for a flash flood warning.

000 
WGHW50 PHFO 280223
FFWHI 
HIZ003-280515-

BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE HONOLULU HI
420 PM HST FRI FEB 27 2004

THE NATIONAL WEATHER SERVICE IN HONOLULU HAS ISSUED A

* FLASH FLOOD WARNING FOR
  WEST AND CENTRAL MAUI

* UNTIL 715 PM HST

* AT 415 PM HST...RADAR INDICATED A LINE OF VERY HEAVY RAIN OVER AND 
  SOUTH OF WEST MAUI.

* LOCATIONS IMPACTED INCLUDE...
  LAHAINA...KAPALUA...KAHAKULOA...WAIHEE...WAILUKU...KAHULUI AND 
  KIHEI.

EXCESSIVE RUNOFF FROM THIS STORM WILL CAUSE FLASH FLOODING OF STREAMS
AND COULD ALSO TRIGGER ROCK AND MUDSLIDES IN STEEP TERRAIN.

MOTORISTS SHOULD BE ALERT FOR FLOODING AND SHOULD NOT ATTEMPT TO
CROSS FAST FLOWING OR RISING WATER. MANY FLASH FLOOD DEATHS OCCUR
WHEN MOTORISTS TRY CROSSING FLOODED ROADWAYS. TURN AROUND...DO NOT
DROWN

ESCAPE RISING WATER BY CLIMBING DIRECTLY TO HIGHER GROUND. NEVER TRY
TO OUTRACE A FLOOD...EITHER ON FOOT OR IN YOUR VEHICLE. DO NOT CAMP
NEAR STREAMS OR OTHER AREAS SUBJECT TO FLOODING.

STAY TUNED TO NOAA WEATHER RADIO OR OTHER LOCAL MEDIA SOURCES FOR THE
LATEST SEVERE WEATHER INFORMATION. REPORT FLOODING TO THE POLICE FOR
IMMEDIATE RELAY TO THE NATIONAL WEATHER SERVICE.

LAT...LON 2068 15647 2092 15633 2106 15668 2085 15673
$$

KODAMA

NWS Honolulu, HI wrote its last area forecast discussion before this flash flood warning went out at Feb 27, 4:00 PM HST, 20 minutes earlier.

HAWAIIAN ISLANDS FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HONOLULU HI
4 PM HST FRI FEB 27 2004

.SYNOPSIS...
THE COLD FRONT HAS MOVED THROUGH KAUAI AND SITS IN THE KAUAI
CHANNEL. STRONG WINDS...HEAVY SHOWERS AND THUNDERSTORMS CONTINUE TO
THE EAST OF THE FRONT. THE HEAVY RAINFALL AND STRONG WINDS WILL
CONTINUE THROUGH THE NIGHT...AND INTO SATURDAY OVER THE BIG ISLAND.
ELSEWHERE...SHOWERS WILL GRADUALLY DIMINISH...BUT UNSTABLE AIR WILL
REMAIN OVER THE ISLANDS FOR THE NEXT SEVERAL DAYS...PROMOTING
SCATTERED SHOWERS WITH A CHANCE OF AFTERNOON THUNDERSTORMS. TRADES
ARE EXPECTED TO GRADUALLY RETURN BY MIDWEEK.

&&

.DISCUSSION...
A COLD FRONT IN THE KAUAI CHANNEL IS MOVING SLOWLY EAST...WITH
HEAVY SHOWERS AND THUNDERSTORMS IN BANDS FAR TO ITS EAST. THESE
BANDS DROPPED AS MUCH AS 9 INCHES OF RAINFALL ON THE ISLANDS OF
KAUAI AND OAHU...AND ARE EXPECTED TO BRING 2 TO 6 INCHES OF RAINFALL
TO MAUI COUNTY AND THE BIG ISLAND TONIGHT INTO SATURDAY. THE FRONT
AND ASSOCIATED HEAVY RAIN BANDS ARE ASSOCIATED WITH A LOW PRESSURE
SYSTEM NOW NORTH OF THE STATE. THE LOW IS EXPECTED TO MOVE VERY
SLOWLY NORTHEASTWARD OVER THE NEXT 24 TO 36 HOURS...AS AN UPPER LOW
ASSOCIATED WITH THIS SYSTEM DOES A LOOP NORTH OF THE STATE...THEN
MOVE OFF TOWARD THE NORTH NORTHEAST. THE UPPER LOW WILL MAINTAIN
INSTABILITY OVER THE ISLANDS OVER THE WEEKEND...BUT THE WEATHER WILL
GRADUALLY DRY OUT...AT LEAST OVER LEEWARD SIDES...NEXT WEEK.

&&

.MARINE...
A NORTHWEST SWELL CONTINUES TO PRODUCE VERY LARGE SURF ALONG NORTH
AND WEST FACING SHORES...WITH A HIGH SURF WARNING IN EFFECT. GALE
WARNINGS CONTINUE IN THE CHANNELS AND COASTAL WATERS.

&&

.HFO WATCHES/WARNINGS/ADVISORIES...
HIGH WIND WARNING TONIGHT ALL ISLANDS BUT KAUAI
FLASH FLOOD WATCH TOMOGHT ALL ISLANDS BUT KAUAI
WINTER STORM WARNING FOR BIG ISLAND SUMMITS THROUGH SATURDAY
HIGH SURF WARNING NORTH AND WEST FACING SHORES OF ALL ISLANDS BUT
LANAI THROUGH SATURDAY

FARRELL

Flash Flood Warnings in Hawaii, 2004Every flash flood warning in 2004

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive.